Home / 221,629,561.20-332,612,303.40-144,927,097.20

Finding the Fourth Proportional to 221,629,561.20, 332,612,303.40 and 144,927,097.20

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Solution

The fourth proportional to 221,629,561.20, 332,612,303.40 and 144,927,097.20 is: 217,500,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,629,561.20 : 332,612,303.40 = 144,927,097.20 : x
  2. Step 2: Convert to fraction form
    221,629,561.20/332,612,303.40 = 144,927,097.20/x
  3. Step 3: Cross multiply
    221,629,561.20x = 332,612,303.40 × 144,927,097.20
  4. Step 4: Simplify right side
    221,629,561.20x = 48,204,535,624,767,680
  5. Step 5: Solve for x
    x = 48,204,535,624,767,680/221,629,561.20
  6. Step 6: Final answer
    x = 217,500,478.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.